Home / 3,893.30-5,836.98-1,946.88

Finding the Fourth Proportional to 3,893.30, 5,836.98 and 1,946.88

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Solution

The fourth proportional to 3,893.30, 5,836.98 and 1,946.88 is: 2,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.30 : 5,836.98 = 1,946.88 : x
  2. Step 2: Convert to fraction form
    3,893.30/5,836.98 = 1,946.88/x
  3. Step 3: Cross multiply
    3,893.30x = 5,836.98 × 1,946.88
  4. Step 4: Simplify right side
    3,893.30x = 11,363,899.62
  5. Step 5: Solve for x
    x = 11,363,899.62/3,893.30
  6. Step 6: Final answer
    x = 2,918.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.